"""Precast concrete pipes are prepared for distribution by a Mexican-born employee at Hanson Pipe & Products, Grand Prairie, Texas, USA. He cleans and inspects the tongue and groove seals of the upturned pipes wearing an obligatory hard hat and blue overalls. Precast concrete is made from a reusable mold or """"form"""" and cured in a controlled environment, then transported to the construction site and lifted into place. Used in the construction of commercial building components, bridges, manholes and retaining walls, these products are the strongest pipe available, designed and plant tested to resist any load required with a design life of 70-100 years. .."""
{}